TY  - BOOK
U1  - 005.369 
PY  - 0199/// .
CY  - Boston, MA. : 
PB  - Alpha Software Corporation , 
KW  - Computer Applications
KW  - Computers
KW  - Data processing
KW  - Information system
KW  - Printing
KW  - Programmes
N1  - Includes index
ER  -